国家举办老年福利设施，开展社区服务，并对老年人给予优待和照顾，属于老年人享有的()。
Mr. Smith gradually _____ a knowledge of the subject.
— Linda didn ’t invite us to the party.
— ______? I don ’t care.
This is the _____ piano on which the composer created some of his greatest works.
The fact that so many people still smoke in public place _______that we may need antionwide campaign to raise awareness of the riks of smoking.
